PK
Pratap Kumar Chakravarty
About Pratap Kumar Chakravarty
Data last updated:
Pratap Kumar Chakravarty is a Director at Simplex Infrastructures Limited (since 2021) and Company Secretary at S.B. International Limited (since 2004). The companies operate in Engineering, Trading and Metals and Minerals. The largest current company by reported revenue is Simplex Infrastructures Limited at ₹1,962 Cr (FY 2023). Earlier, Pratap Kumar Chakravarty was a Company Secretary at Castron Mining Limited (2005–2016) and Company Secretary at Kamani Stock Broking Services Pvt Ltd (2005–2009) and 1 more.
Current companies
| Company | Designation | Appointment | Founded | Revenue | Status |
|---|---|---|---|---|---|
 Simplex Infrastructures Limited L45209WB1924PLC004969 | Director | 13 Feb 2021 | 1924 | ₹1,962 Cr (FY 2023) | Active |
 S.B. International Limited L51909AS1988PLC002850 | Company Secretary | 15 Apr 2004 | 1988 | Active |
Previous companies
| Company | Designation | Appointment | Founded | Revenue | Status |
|---|---|---|---|---|---|
| Castron Mining Limited U51109WB1996PLC080158 | Company Secretary | 01 Apr 2005 | 1996 | ₹2.05 Cr (FY 2025) | Active |
| Kamani Stock Broking Services Pvt Ltd U67120WB1995PTC067895 | Company Secretary | 04 Mar 2005 | 1995 | ₹4.64 Cr (FY 2025) | Active |
 Jost India Auto Component Private Limited U35914JH2006PTC014951 | Company Secretary | 29 Jun 2007 | 2006 | ₹286 Cr (FY 2025) | Active |
Explore Director's current and past company associations Uncover their professional journey today!
Board colleagues of Pratap Kumar Chakravarty
| Name | DIN | Company | Designation |
|---|---|---|---|
| Banwari Lal Bajoria | Simplex Infrastructures Limited | Company Secretary | |
| Dinabandhu Mukhopadhyay | 09778769 | Simplex Infrastructures Limited | Director |
| Gurumurthy Ramanathan | 10366010 | Simplex Infrastructures Limited | Nominee Director |
| Indira Biswas | 03401620 | Simplex Infrastructures Limited | Director |
| Rajiv Mundhra | 00014237 | Simplex Infrastructures Limited | Director |
| Samiran Kumar Bhattacharyya | 00112844 | Simplex Infrastructures Limited | Whole-Time Director |
| Samiran Kumar Bhattacharyya | Simplex Infrastructures Limited | Cfo | |
| Shamik Dasgupta | 01127296 | Simplex Infrastructures Limited | Director |
| Subrata Kumar Ray | 11003975 | Simplex Infrastructures Limited | Director |
| Amar Chand Sarda | 00454466 | S.B. International Limited | Director |
| Rabindra Kumar Walia | 01277528 | S.B. International Limited | Director |
| Ramawatar Ashopa | 02132158 | S.B. International Limited | Director |
Directorship timeline
Open interactive timeline →Shareholding and investment profile for Pratap Kumar Chakravarty
Company-level share counts, filed values, and quarterly changes require authenticated premium access.
- Company-level holdings
- Filed share counts
- Reported values
- Quarterly changes
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Pratap Kumar Chakravarty
Pratap Kumar Chakravarty currently holds 2 directorships: Simplex Infrastructures Limited (Director, since 13 Feb 2021, revenue ₹1,962 Cr (FY 2023)); S.B. International Limited (Company Secretary, since 15 Apr 2004).
Pratap Kumar Chakravarty was first appointed on 15 Apr 2004 as Company Secretary at S.B. International Limited. The most recent appointment on record is 13 Feb 2021 at Simplex Infrastructures Limited.
Pratap Kumar Chakravarty held 3 earlier board appointments: Castron Mining Limited (Company Secretary, 01 Apr 2005 to 15 Jul 2016); Kamani Stock Broking Services Pvt Ltd (Company Secretary, 04 Mar 2005 to 11 Apr 2009); Jost India Auto Component Private Limited (Company Secretary, 29 Jun 2007 to 30 Jun 2015).
The current boards of Pratap Kumar Chakravarty's companies include Banwari Lal Bajoria (Simplex Infrastructures Limited), Dinabandhu Mukhopadhyay (Simplex Infrastructures Limited), Gurumurthy Ramanathan (Simplex Infrastructures Limited), Indira Biswas (Simplex Infrastructures Limited), Rajiv Mundhra (Simplex Infrastructures Limited), Samiran Kumar Bhattacharyya (Simplex Infrastructures Limited), among others.